Software Engineer II — AI-Driven Web Apps

Intercontinental Exchange (ICE); Jacksonville (FL); On-site; USD 85,000 - 120,000; Full time

Job summary

Intercontinental Exchange (ICE) in Jacksonville, FL is seeking an experienced Software Developer (Level 2) to design and build modern web applications using C#/.NET for backend services and React for the frontend. You will own features, write unit tests, and contribute to RESTful APIs while using Claude to accelerate development.

You will collaborate with cross-functional teams, troubleshoot issues, participate in code reviews, and stay current with AI/LLM capabilities relevant to the stack.

Qualifications

• Bachelor's degree or equivalent experience.
• 2–4+ years of professional software development experience.
• Strong knowledge of C# and the .NET ecosystem.
• Experience with React and TypeScript.
• Proficiency with SQL and relational databases.

Responsibilities

• Design, develop, and maintain web applications using C# and .NET for backend services and React for frontend development.
• Implement new features and enhancements to existing functionality with moderate guidance.
• Write clean, efficient, and maintainable code following best practices and team standards.
• Create and maintain RESTful APIs and integrate them with React-based frontends.
• Leverage Claude as a core development tool to accelerate workflows including code generation, documentation, and code review assistance.
• Collaborate with cross-functional teams to understand requirements and deliver solutions.
• Troubleshoot, debug, and resolve technical issues in both backend and frontend systems, using AI-assisted tools to diagnose and resolve issues faster.
• Participate in code reviews, providing and receiving constructive feedback.
• Write and maintain unit tests to ensure code quality and functionality, including AI-assisted test generation and coverage analysis.
• Contribute to database design and development using SQL.
• Stay current with relevant technologies, frameworks, and emerging AI/LLM capabilities relevant to the team's stack.
• Provide occasional guidance to junior developers, including sharing effective AI-assisted development practices.

Skills

C#

.NET

React

TypeScript

SQL

Web security

Git

Agile

AI-assisted development

Problem solving

Education

Bachelor's degree in Computer Science or related

Tools

ASP.NET Core

Claude

Docker

Azure DevOps

Git

Job description

Intercontinental Exchange (ICE) in Jacksonville, FL is seeking an experienced Software Developer (Level 2) to design and build modern web applications using C#/.NET for backend services and React for the frontend. You will own features, write unit tests, and contribute to RESTful APIs while using Claude to accelerate development.

You will collaborate with cross-functional teams, troubleshoot issues, participate in code reviews, and stay current with AI/LLM capabilities relevant to the stack.